The pow(...) function has only one variation, not counting syntax variations. It raises a number to the power of another number. This operation is commonly called y to the x. If both inputs are Integer values the result is an Integer, otherwise the result is a Float value.  If either input is null the result is null.

Syntax:
pow( number, exponent )
number.pow( exponent )

Parameter	Description
number	The number to be raised to a power.
exponent	The power by which number will be raised.